Originally Posted by
Prop_Washer2
When I was flying Nitro exclusively, I would use Cool Power "Pink" and "Green". I believe the Pink is 80/20% Synthetic/Castor, and the Green is 100% Synthetic. The Green was definitely easier to wipe off of the bird than the Pink was. That Castor Oil kind'a stuck to the airframe more and the residue felt thicker. Just my "Dos Pesos"...
Somewhat of a moot point since cool power pink is no longer available, but it was 95% syn & 5% castor.